40951915 has 8 divisors (see below), whose sum is σ = 50837040. Its totient is φ = 31631712.

The previous prime is 40951913. The next prime is 40951919. The reversal of 40951915 is 51915904.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40951915 - 2¹ = 40951913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40951913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141069 + ... + 141358.

It is an arithmetic number, because the mean of its divisors is an integer number (6354630).

Almost surely, 2^40951915 is an apocalyptic number.

40951915 is a deficient number, since it is larger than the sum of its proper divisors (9885125).

40951915 is a wasteful number, since it uses less digits than its factorization.

40951915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282461.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 40951915 is about 6399.3683282024. The cubic root of 40951915 is about 344.6868684381.

The spelling of 40951915 in words is "forty million, nine hundred fifty-one thousand, nine hundred fifteen".